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TinySA Ultra (405) - maximum detectable GHz? #ultra

 

I'm working on resurrecting a Wiltron 6600 series sweeper (10 MHz - 18 GHz) with multiple problems (I think it was a combination of salvage parts).

My old systron donner 762-2A spectrum analzyer (and a 436/8484 power meter) have been helping, but it occurred to me that the TinySA Ultra might help (as in detecting presence of a signal) as well, and perhaps aid in validating the sweeper's output (through appropriate attenuators; the YIGs can kick out +15..+20 dBm.)

I'm curious as to how the original ("405"?) version Ultra can be expected to behave when encountering a (single) signal (a sort-of stable carrier from a fundamental-mode YIG oscillator) far above the ~5 GHz Ultra-mode ceiling?

I suspect this has been covered (either by developer, by experimenter, or both) but my searches in the group archives didn't yield anything that might apply.

Thanks!
 

On Mon, Jan 27, 2025 at 05:15 PM, David Feldman wrote:
I suspect this has been covered (either by developer, by experimenter, or both) but my searches in the group archives didn't yield anything that might apply.
Check out the post from this member:? /g/tinysa/message/14770? or search the archives for "10ghz" or "YIG".
?
Herb
 

?@
20Ghz

On Tue, Jan 28, 2025 at 2:15?AM David Feldman via <wb0gaz=[email protected]> wrote:
I'm working on resurrecting a Wiltron 6600 series sweeper (10 MHz - 18 GHz) with multiple problems (I think it was a combination of salvage parts).

My old systron donner 762-2A spectrum analzyer (and a 436/8484 power meter) have been helping, but it occurred to me that the TinySA Ultra might help (as in detecting presence of a? signal) as well, and perhaps aid in validating the sweeper's output (through appropriate attenuators; the YIGs can kick out +15..+20 dBm.)

I'm curious as to how the original ("405"?) version Ultra can be expected to behave when encountering a (single) signal (a sort-of stable carrier from a fundamental-mode YIG oscillator) far above the ~5 GHz Ultra-mode ceiling?

I suspect this has been covered (either by developer, by experimenter, or both) but my searches in the group archives didn't yield anything that might apply.

Thanks!

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